There are total 18 hours or 1080 minutes from 7am to 1am. In words, this duration is equal to eighteen hours or one thousand eighty minutes.
How many hours from
| 12PM to 7PM | 10AM to 10PM | 8AM to 12AM |
| 8PM to 8AM | 11PM to 2AM | 11PM to 3PM |
| 6PM to 8PM | 1PM to 9AM | 10PM to 7PM |
| 4AM to 10AM | 4AM to 10AM | 12PM to 6PM |
| 3AM to 1AM | 5PM to 2PM | 12AM to 1PM |
| 1PM to 11PM | 8PM to 8AM | 8PM to 3AM |
